GROOVY-9531: improve CliBuilder documentation to clarify what functionality is available in which version
GROOVY-9531: improve CliBuilder documentation to clarify what functionality is available in which version

paulk-asert/incubator-groovy,paulk-asert/incubator-groovy,apache/incubator-groovy,apache/incubator-groovy,apache/groovy,paulk-asert/groovy,apache/incubator-groovy,apache/groovy,apache/groovy,paulk-asert/incubator-groovy,apache/incubator-groovy,apache/groovy,paulk-asert/groovy,paulk-asert/incubator-groovy,paulk-asert/groovy,paulk-asert/incubator-groovy,paulk-asert/groovy